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Modifying harvesting time as a tool to reduce nutrient export by timber extraction: a case study in planted teak (Tectona grandis L.f.) forests in Costa Rica
(2016)
Despite its low nutrient concentration, the high amount of biomass accumulated in the tree stem makes it an important nutrient sink. Hence, nutrient loss through timber removal at harvesting is a major cause of nutrient ...
In vivo Nitrosoproline formation and other risk factors in Costa Rican Children from high-and low-risk areas for gastric cancer
(1993)
The hypothesis that intragastric synthesis of N-nitroso compounds (NOC) in early life could play a role in gastric carcinogenesis was tested by applying the N-nitrosoproline (NPRO) test to about 50 children living in high- ...
Determinación fisicoquímicas de diez mezclas de sustratos para producción de almácigos, Guanacaste, Costa Rica
(2014)
Se determinó el efecto fisicoquímico de diez mezclas de sustratos para la producción de almácigos hortícolas en la zona de Guanacaste. Se realizaron mezclas de 50% bocashi, compost y lombricompost con 25% de fibra coco, ...